60531 has 4 divisors (see below), whose sum is σ = 80712. Its totient is φ = 40352.

The previous prime is 60527. The next prime is 60539. The reversal of 60531 is 13506.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 60531 - 2² = 60527 is a prime.

It is a super-2 number, since 2×60531² = 7328003922, which contains 22 as substring.

It is a D-number.

60531 is a lucky number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 60531.

It is not an unprimeable number, because it can be changed into a prime (60539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10086 + ... + 10091.

It is an arithmetic number, because the mean of its divisors is an integer number (20178).

2⁶⁰⁵³¹ is an apocalyptic number.

60531 is a deficient number, since it is larger than the sum of its proper divisors (20181).

60531 is a wasteful number, since it uses less digits than its factorization.

60531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20180.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 60531 is about 246.0304859159. The cubic root of 60531 is about 39.2638259810.

Subtracting from 60531 its sum of digits (15), we obtain a square (60516 = 246²).

It can be divided in two parts, 605 and 31, that added together give a palindrome (636).

The spelling of 60531 in words is "sixty thousand, five hundred thirty-one".